<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表格</title>
</head>
<body>
<table border="1">
  <tr>
    <td colspan="2">1-1</td><td>1-3</td><td rowspan="2">1-4</td>
  </tr>
  <tr>
    <td>2-1</td><td>2-2</td><td>2-3</td>
  </tr>
  <tr>
    <td colspan="4" align="center">3-1</td>
  </tr>
</table>
<table border="1">
  <tr>
    <td colspan="2">1-1</td><td rowspan="2">1-3</td>
  </tr>
  <tr>
    <td rowspan="2">2-1</td><td>2-2</td>
  </tr>
  <tr>
    <td colspan="2">3-2</td>
  </tr>
</table>
<table border="1">
  <caption>购物车</caption>
  <tr>
    <th>编号</th><th>商品名</th><th>价格</th>
  </tr>
  <tr>
    <td>1</td><td>小米12</td><td>5000</td>
  </tr>
  <tr>
    <td>2</td><td>华为电视</td><td>4000</td>
  </tr>
  <tr>
    <th>总价</th><th colspan="2">9000</th>
  </tr>
</table>
</body>
</html>